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  Java连接GBase8s执行Statement和PreparedStatement详细示例.md
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  <p>存储说明：</p>
<ul>
<li>项目目录： D:\soft\src\Java\java-top-speed\src\main\java\weidb</li>
</ul>
<h3 id="TABLE"><a href="#TABLE" class="headerlink" title="TABLE"></a>TABLE</h3><figure class="highlight sql"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">create</span> <span class="keyword">table</span> Goddess (</span><br><span class="line">    id serial <span class="keyword">not</span> <span class="keyword">null</span>,</span><br><span class="line">    user_name <span class="type">char</span>(<span class="number">10</span>),</span><br><span class="line">    sex <span class="type">int</span>,</span><br><span class="line">    age <span class="type">int</span>,</span><br><span class="line">    birthday datetime <span class="keyword">year</span> <span class="keyword">to</span> <span class="keyword">day</span>,</span><br><span class="line">    email <span class="type">varchar</span> (<span class="number">20</span>),</span><br><span class="line">    mobile <span class="type">char</span> (<span class="number">11</span>),</span><br><span class="line">    create_user <span class="type">char</span>(<span class="number">10</span>),</span><br><span class="line">    update_user <span class="type">char</span>(<span class="number">10</span>),</span><br><span class="line">    create_date datetime <span class="keyword">year</span> <span class="keyword">to</span> <span class="keyword">second</span>,</span><br><span class="line">    update_date datetime <span class="keyword">year</span> <span class="keyword">to</span> <span class="keyword">second</span>,</span><br><span class="line">    isDel <span class="type">boolean</span></span><br><span class="line">);</span><br></pre></td></tr></table></figure>

<h3 id="DbUtil-类-连接"><a href="#DbUtil-类-连接" class="headerlink" title="DbUtil 类 连接"></a>DbUtil 类 连接</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> weidb;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.sql.*;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">DbUtil</span> &#123;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="type">String</span> <span class="variable">DRIVER</span> <span class="operator">=</span> <span class="string">&quot;com.gbasedbt.jdbc.Driver&quot;</span>;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="type">String</span> <span class="variable">URL</span> <span class="operator">=</span> <span class="string">&quot;jdbc:gbasedbt-sqli://1.1.1.7:60111/appdb:GBASEDBTSERVER=tpcc;CLIENT_LOCALE=zh_cn.utf8;DB_LOCALE=zh_cn.utf8;LOGINTIMEOUT=1000;IFX_LOCK_MODE_WAIT=60;APPENDISAM=true;UPPER_CASE=y;DBDATE=Y4MD&quot;</span>;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="type">String</span> <span class="variable">USER</span> <span class="operator">=</span> <span class="string">&quot;gbasedbt&quot;</span>;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="type">String</span> <span class="variable">PASSWORD</span> <span class="operator">=</span> <span class="string">&quot;GBase123!&quot;</span>;</span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line">    <span class="keyword">static</span> &#123;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            Class.forName(DRIVER);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (ClassNotFoundException e) &#123;</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            conn = DriverManager.getConnection(URL,USER,PASSWORD);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (SQLException e) &#123;</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> Connection <span class="title function_">getConnection</span><span class="params">()</span>&#123;</span><br><span class="line">        <span class="keyword">return</span> conn;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<h3 id="模型-类-实体类getter-x2F-setter"><a href="#模型-类-实体类getter-x2F-setter" class="headerlink" title="模型   类 实体类getter&#x2F;setter"></a>模型   类 实体类getter&#x2F;setter</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> weidb.model;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.text.SimpleDateFormat;</span><br><span class="line"><span class="keyword">import</span> java.util.Date;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">Goddess</span> &#123;</span><br><span class="line">    <span class="keyword">private</span> Integer id;</span><br><span class="line">    <span class="keyword">private</span> String user_name;</span><br><span class="line">    <span class="keyword">private</span> Integer sex;</span><br><span class="line">    <span class="keyword">private</span> Integer age;</span><br><span class="line">    <span class="keyword">private</span> Date birthday;</span><br><span class="line">    <span class="keyword">private</span> String email;</span><br><span class="line">    <span class="keyword">private</span> String mobile;</span><br><span class="line">    <span class="keyword">private</span> String create_user;</span><br><span class="line">    <span class="keyword">private</span> String update_user;</span><br><span class="line">    <span class="keyword">private</span> Date create_date;</span><br><span class="line">    <span class="keyword">private</span> Date update_date;</span><br><span class="line">    <span class="keyword">private</span> Boolean isDel;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Integer <span class="title function_">getId</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> id;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setId</span><span class="params">(Integer id)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.id = id;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">getUser_name</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> user_name;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setUser_name</span><span class="params">(String user_name)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.user_name = user_name;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Integer <span class="title function_">getSex</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> sex;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setSex</span><span class="params">(Integer sex)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.sex = sex;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Integer <span class="title function_">getAge</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> age;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setAge</span><span class="params">(Integer age)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.age = age;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Date <span class="title function_">getBirthday</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> birthday;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setBirthday</span><span class="params">(Date birthday)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.birthday = birthday;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">getEmail</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> email;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setEmail</span><span class="params">(String email)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.email = email;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">getMobile</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> mobile;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setMobile</span><span class="params">(String mobile)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.mobile = mobile;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">getCreate_user</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> create_user;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setCreate_user</span><span class="params">(String create_user)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.create_user = create_user;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">getUpdate_user</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> update_user;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setUpdate_user</span><span class="params">(String update_user)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.update_user = update_user;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Date <span class="title function_">getCreate_date</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> create_date;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setCreate_date</span><span class="params">(Date create_date)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.create_date = create_date;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Date <span class="title function_">getUpdate_date</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> update_date;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setUpdate_date</span><span class="params">(Date update_date)</span> &#123;</span><br><span class="line">        <span class="built_in">this</span>.update_date = update_date;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> Boolean <span class="title function_">getDel</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> isDel;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setDel</span><span class="params">(Boolean del)</span> &#123;</span><br><span class="line">        isDel = del;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="keyword">public</span> String <span class="title function_">toString</span><span class="params">()</span> &#123;</span><br><span class="line">        <span class="type">SimpleDateFormat</span> <span class="variable">ft</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">SimpleDateFormat</span>(<span class="string">&quot;yyyy-MM-dd hh:mm:ss&quot;</span>);</span><br><span class="line">        <span class="keyword">return</span> <span class="string">&quot;Goddess&#123;&quot;</span> +</span><br><span class="line">                <span class="string">&quot;id=&quot;</span> + id +</span><br><span class="line">                <span class="string">&quot;, user_name=&#x27;&quot;</span> + user_name + <span class="string">&#x27;\&#x27;&#x27;</span> +</span><br><span class="line">                <span class="string">&quot;, sex=&quot;</span> + sex +</span><br><span class="line">                <span class="string">&quot;, age=&quot;</span> + age +</span><br><span class="line">                <span class="string">&quot;, birthday=&quot;</span> + birthday +</span><br><span class="line">                <span class="string">&quot;, email=&#x27;&quot;</span> + email + <span class="string">&#x27;\&#x27;&#x27;</span> +</span><br><span class="line">                <span class="string">&quot;, mobile=&#x27;&quot;</span> + mobile + <span class="string">&#x27;\&#x27;&#x27;</span> +</span><br><span class="line">                <span class="string">&quot;, create_user=&#x27;&quot;</span> + create_user + <span class="string">&#x27;\&#x27;&#x27;</span> +</span><br><span class="line">                <span class="string">&quot;, update_user=&#x27;&quot;</span> + update_user + <span class="string">&#x27;\&#x27;&#x27;</span> +</span><br><span class="line">                <span class="string">&quot;, create_date=&quot;</span> + ft.format(create_date) +</span><br><span class="line">                <span class="string">&quot;, update_date=&quot;</span> + ft.format(update_date) +</span><br><span class="line">                <span class="string">&quot;, isDel=&quot;</span> + isDel +</span><br><span class="line">                <span class="string">&#x27;&#125;&#x27;</span>;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="DAO-类-增删改查"><a href="#DAO-类-增删改查" class="headerlink" title="DAO   类  增删改查"></a>DAO   类  增删改查</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> weidb.dao;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> weidb.DbUtil;</span><br><span class="line"><span class="keyword">import</span> weidb.model.Goddess;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.sql.*;</span><br><span class="line"><span class="keyword">import</span> java.util.ArrayList;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">GoddessDao</span> &#123;</span><br><span class="line">    <span class="comment">//增</span></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">addGoddess</span><span class="params">(Goddess g)</span> <span class="keyword">throws</span> SQLException &#123;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;INSERT INTO goddess(user_name, sex, age, birthday, email, mobile,create_user, create_date, update_user, update_date, isdel) values (?,?,?,?,?,?,?,current year to second,?,current year to second,?)&quot;</span>;</span><br><span class="line">        <span class="type">PreparedStatement</span> <span class="variable">ps</span> <span class="operator">=</span> conn.prepareStatement(sql);</span><br><span class="line">        ps.setString(<span class="number">1</span>,g.getUser_name());</span><br><span class="line">        ps.setInt(<span class="number">2</span>,g.getSex());</span><br><span class="line">        ps.setInt(<span class="number">3</span>,g.getAge());</span><br><span class="line">        ps.setDate(<span class="number">4</span>,<span class="keyword">new</span> <span class="title class_">Date</span>(g.getBirthday().getTime()));</span><br><span class="line">        ps.setString(<span class="number">5</span>, g.getEmail());</span><br><span class="line">        ps.setString(<span class="number">6</span>,g.getMobile());</span><br><span class="line">        ps.setString(<span class="number">7</span>,g.getCreate_user());</span><br><span class="line">        ps.setString(<span class="number">8</span>,g.getUpdate_user());</span><br><span class="line">        ps.setBoolean(<span class="number">9</span>,g.getDel());</span><br><span class="line">        ps.execute();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//删</span></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">delGoddess</span><span class="params">(Integer id)</span> <span class="keyword">throws</span> SQLException&#123;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;delete from goddess where id=?&quot;</span>;</span><br><span class="line">        <span class="type">PreparedStatement</span> <span class="variable">ps</span> <span class="operator">=</span> conn.prepareStatement(sql);</span><br><span class="line">        ps.setInt(<span class="number">1</span>,id);</span><br><span class="line">        ps.execute();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="comment">//范围删</span></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">delGoddess</span><span class="params">(Integer id1,Integer id2)</span> <span class="keyword">throws</span> SQLException&#123;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;delete from goddess where id&gt;=? and id&lt;?&quot;</span>;</span><br><span class="line">        <span class="type">PreparedStatement</span> <span class="variable">ps</span> <span class="operator">=</span> conn.prepareStatement(sql);</span><br><span class="line">        ps.setInt(<span class="number">1</span>,id1);</span><br><span class="line">        ps.setInt(<span class="number">2</span>,id2);</span><br><span class="line">        ps.execute();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//改</span></span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">updateGoddess</span><span class="params">(Goddess g)</span> <span class="keyword">throws</span> SQLException &#123;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;UPDATE goddess&quot;</span> +</span><br><span class="line">                <span class="string">&quot; set user_name=?, sex=?, age=?, birthday=?, email=?, mobile=?,&quot;</span> +</span><br><span class="line">                <span class="string">&quot; update_user=?, update_date=current year to second, isDel=? &quot;</span> +</span><br><span class="line">                <span class="string">&quot; where id=?&quot;</span>;</span><br><span class="line">        <span class="type">PreparedStatement</span> <span class="variable">ps</span> <span class="operator">=</span> conn.prepareStatement(sql);</span><br><span class="line">        ps.setString(<span class="number">1</span>, g.getUser_name());</span><br><span class="line">        ps.setInt(<span class="number">2</span>, g.getSex());</span><br><span class="line">        ps.setInt(<span class="number">3</span>, g.getAge());</span><br><span class="line">        ps.setDate(<span class="number">4</span>, <span class="keyword">new</span> <span class="title class_">Date</span>(g.getBirthday().getTime()));</span><br><span class="line">        ps.setString(<span class="number">5</span>, g.getEmail());</span><br><span class="line">        ps.setString(<span class="number">6</span>, g.getMobile());</span><br><span class="line">        ps.setString(<span class="number">7</span>, g.getUpdate_user());</span><br><span class="line">        ps.setBoolean(<span class="number">8</span>, g.getDel());</span><br><span class="line">        ps.setInt(<span class="number">9</span>, g.getId());</span><br><span class="line">        ps.execute();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//查全表的2个字段</span></span><br><span class="line">    <span class="keyword">public</span> List&lt;Goddess&gt; <span class="title function_">query</span><span class="params">()</span> <span class="keyword">throws</span> SQLException &#123;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">Statement</span> <span class="variable">stmt</span> <span class="operator">=</span> conn.createStatement();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;SELECT user_name, age FROM goddess&quot;</span>;</span><br><span class="line">        <span class="type">ResultSet</span> <span class="variable">rs</span> <span class="operator">=</span> stmt.executeQuery(sql);</span><br><span class="line"></span><br><span class="line">        List&lt;Goddess&gt; gs = <span class="keyword">new</span> <span class="title class_">ArrayList</span>&lt;Goddess&gt;();</span><br><span class="line">        <span class="type">Goddess</span> <span class="variable">g</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line">        <span class="keyword">while</span> (rs.next())&#123;</span><br><span class="line">            g = <span class="keyword">new</span> <span class="title class_">Goddess</span>();</span><br><span class="line">            g.setUser_name(rs.getString(<span class="string">&quot;user_name&quot;</span>));</span><br><span class="line">            g.setAge(rs.getInt(<span class="string">&quot;age&quot;</span>));</span><br><span class="line">            gs.add(g);</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> gs;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//查1条记录</span></span><br><span class="line">    <span class="keyword">public</span> Goddess <span class="title function_">get</span><span class="params">(Integer id)</span> <span class="keyword">throws</span>  SQLException&#123;</span><br><span class="line">        <span class="type">Goddess</span> <span class="variable">g</span> <span class="operator">=</span> <span class="literal">null</span>;</span><br><span class="line">        <span class="type">Connection</span> <span class="variable">conn</span> <span class="operator">=</span> DbUtil.getConnection();</span><br><span class="line">        <span class="type">String</span> <span class="variable">sql</span> <span class="operator">=</span> <span class="string">&quot;select * from goddess where id=?&quot;</span>;</span><br><span class="line">        <span class="type">PreparedStatement</span> <span class="variable">ps</span> <span class="operator">=</span> conn.prepareStatement(sql);</span><br><span class="line">        ps.setInt(<span class="number">1</span>,id);</span><br><span class="line">        <span class="type">ResultSet</span> <span class="variable">rs</span> <span class="operator">=</span> ps.executeQuery();</span><br><span class="line">        <span class="keyword">while</span>(rs.next())&#123;</span><br><span class="line">            g = <span class="keyword">new</span> <span class="title class_">Goddess</span>();</span><br><span class="line">            g.setId(rs.getInt(<span class="string">&quot;id&quot;</span>));</span><br><span class="line">            g.setUser_name(rs.getString(<span class="string">&quot;user_name&quot;</span>));</span><br><span class="line">            g.setAge(rs.getInt(<span class="string">&quot;age&quot;</span>));</span><br><span class="line">            g.setSex(rs.getInt(<span class="string">&quot;sex&quot;</span>));</span><br><span class="line">            g.setBirthday(rs.getDate(<span class="string">&quot;birthday&quot;</span>));</span><br><span class="line">            g.setEmail(rs.getString(<span class="string">&quot;email&quot;</span>));</span><br><span class="line">            g.setMobile(rs.getString(<span class="string">&quot;mobile&quot;</span>));</span><br><span class="line">            g.setCreate_date(rs.getDate(<span class="string">&quot;create_date&quot;</span>));</span><br><span class="line">            g.setCreate_user(rs.getString(<span class="string">&quot;create_user&quot;</span>));</span><br><span class="line">            g.setUpdate_date(rs.getDate(<span class="string">&quot;update_date&quot;</span>));</span><br><span class="line">            g.setUpdate_user(rs.getString(<span class="string">&quot;update_user&quot;</span>));</span><br><span class="line">            g.setDel(rs.getBoolean(<span class="string">&quot;isDel&quot;</span>));</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> g;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="Test-类-调用测试"><a href="#Test-类-调用测试" class="headerlink" title="Test  类  调用测试"></a>Test  类  调用测试</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> weidb;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> weidb.dao.GoddessDao;</span><br><span class="line"><span class="keyword">import</span> weidb.model.Goddess;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.text.SimpleDateFormat;</span><br><span class="line"><span class="keyword">import</span> java.util.Date;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">TestGoddess</span> &#123;</span><br><span class="line">    <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception &#123;</span><br><span class="line"></span><br><span class="line">        <span class="type">GoddessDao</span> <span class="variable">goddessDao</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">GoddessDao</span>();</span><br><span class="line"></span><br><span class="line">        <span class="comment">//增</span></span><br><span class="line">        <span class="type">Goddess</span> <span class="variable">g</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Goddess</span>();</span><br><span class="line">        g.setUser_name(<span class="string">&quot;张三&quot;</span>);</span><br><span class="line">        g.setSex(<span class="number">1</span>);</span><br><span class="line">        g.setAge(<span class="number">36</span>);</span><br><span class="line">        <span class="type">SimpleDateFormat</span> <span class="variable">ft</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">SimpleDateFormat</span>(<span class="string">&quot;yyyy-MM-dd&quot;</span>);</span><br><span class="line">        <span class="type">String</span> <span class="variable">str</span> <span class="operator">=</span> <span class="string">&quot;1990-11-22&quot;</span>;</span><br><span class="line">        <span class="type">Date</span> <span class="variable">date</span> <span class="operator">=</span> ft.parse(str);</span><br><span class="line">        g.setBirthday(date);</span><br><span class="line">        g.setEmail(<span class="string">&quot;wangwei5@gbase.cn&quot;</span>);</span><br><span class="line">        g.setMobile(<span class="string">&quot;18266669999&quot;</span>);</span><br><span class="line">        g.setCreate_user(<span class="string">&quot;admin&quot;</span>);</span><br><span class="line">        g.setUpdate_user(<span class="string">&quot;admin&quot;</span>);</span><br><span class="line">        <span class="type">Date</span> <span class="variable">date1</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Date</span>();</span><br><span class="line">        g.setCreate_date(date1);</span><br><span class="line">        g.setDel(Boolean.FALSE);</span><br><span class="line">        goddessDao.addGoddess(g);</span><br><span class="line"></span><br><span class="line">        <span class="comment">//删</span></span><br><span class="line">        goddessDao.delGoddess(<span class="number">2</span>);</span><br><span class="line">        goddessDao.delGoddess(<span class="number">3</span>,<span class="number">10</span>);</span><br><span class="line"></span><br><span class="line">        <span class="comment">//改</span></span><br><span class="line">        g.setId(<span class="number">11</span>);</span><br><span class="line">        g.setUser_name(<span class="string">&quot;李四&quot;</span>);</span><br><span class="line">        goddessDao.updateGoddess(g);</span><br><span class="line"></span><br><span class="line">        <span class="comment">//查全表2个字段</span></span><br><span class="line">        List&lt;Goddess&gt; gs = goddessDao.query();</span><br><span class="line">        <span class="keyword">for</span> ( Goddess g1 : gs )&#123;</span><br><span class="line">            System.out.println(g1.getUser_name()+<span class="string">&quot;\t&quot;</span>+g1.getAge());</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">//查1条</span></span><br><span class="line">        <span class="type">Goddess</span> <span class="variable">g4</span> <span class="operator">=</span> goddessDao.get(<span class="number">1</span>);</span><br><span class="line">        System.out.println(g4);</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br></pre></td></tr></table></figure> 
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